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Cutting through the confusion in high performance liquid chromatographic column technology
high performance liquid chromatography column packings silica particles
2011/3/21
Column packings continue to evolve as the needs of users for high efficiency, high resolution and highly sensitive high performance liquid chromatographic (HPLC) analysis drive further developments. I...
Liquid chromatography/mass spectrometry analysis of perfluoroalkyl carboxylic acids and perfluorooctanesulfonate in bivalve shells: Extraction method optimization
Perfluorinated carboxylic acids Perfluorooctanesulfonate Shell Soft tissue Acid digestion Solid phase extraction
2013/12/12
Different extraction methods, including extraction by organic solvents with and without acetic acid digestion,and mixed inorganic acid digestion coupled with solid phase extraction (SPE), were develop...
Multifunctional Separation Mechanism on Poly(oxyethylene) Stationary Phases in Capillary Liquid Chromatography
Multifunctional Separation Mechanism Capillary Liquid Chromatography
2010/9/17
The retention behavior on poly(oxyethylene) (POE) chemically-bonded stationary phases was investigated in ion-exchange, reversed-phase (RP) and hydrophilic interaction (HILIC) modes in capillary liqui...
Rapid and Simultaneous Determination of Tetrafluoroborate, Thiocyanate and Hexafluorophosphate by High-Performance Liquid Chromatography Using a Monolithic Column and Direct Conductivity Detection
Rapid Simultaneous Determination Tetrafluoroborate
2010/9/15
A method was developed for fast and simultaneous determination of tetrafluoroborate (BF4−), thiocyanate (SCN−) and hexafluorophosphate (PF6−) by high-performance liquid chromatograph...
Analysis of Risedronate and Related Substances by Ion-Pair Reversed-Phase High-Performance Liquid Chromatography with Evaporative Light-Scattering Detection
Analysis Ion-Pair Reversed-Phase High-Performance Liquid Chromatography Light-Scattering Detection
2010/9/17
A simple method has been developed for the analysis of risedronate and related substances by ion-pair reversed-phase high-performance liquid chromatography (RPLC) with evaporative light-scattering det...
Measurement of Transport Activities of Bile Acids in Human Multidrug Resistance-Associated Protein 3 Using Liquid Chromatography–Tandem Mass Spectrometry
Transport Activities Bile Acids Human Multidrug Resistance-Associated Protein 3 Liquid Chromatography–Tandem Mass Spectrometry
2010/9/17
A method has been developed for the measurement of transport activities in membrane vesicles obtained from human multidrug resistance-associated protein 3-expressing Sf9 cells for 1β-hydroxy-, 6α-hydr...
Uphill Transport of Rare-Earth Metals through a Highly Stable Supported Liquid Membrane Based on an Ionic Liquid
Uphill Transport Rare-Earth Metals Ionic Liquid
2010/9/17
We have developed a highly stable supported liquid membrane based on ionic liquids (ILs) for the separation of rare-earth metals, employing N,N-dioctyldiglycol amic acid as a mobile carrier. The quant...
Synergistic Effect of 18-Crown-6 Derivatives on Chelate Extraction of Lanthanoids(III) into an Ionic Liquid with 2-Thenoyltrifluoroacetone
Synergistic Effect 18-Crown-6 Derivatives Chelate Extraction Lanthanoids(III) Liquid with 2-Thenoyltrifluoroacetone
2010/9/20
The synergistic effect of 18-crown-6 derivatives, such as 18-crown-6 (18C6), cis-dicyclohexano-18-crown-6 (DC18C6) and dibenzo-18-crown-6 (DB18C6), on the extraction of trivalent lanthanoids (Ln3+) in...
Development of a Compact System for the Determination of Lead Using a Liquid Core Waveguide and a Blue Diode as a Light Source
Liquid Core Waveguide Blue Diode Light Source
2010/9/19
A simple and compact system was developed for the on-site analysis of lead in environmental water samples. The system consisted of a custom-made blue diode as a light source, a liquid core waveguide (...
Conducting Polymer-coated Electrode as a Reference/Counter Electrode in an Organic Phase and Its Application to a Two-electrode Type Thin-layer Cell for Voltammetry at the Liquid | Liquid Interface
Conducting Polymer-coated Electrode Reference/Counter Electrode Organic Phase
2010/9/17
An indium tin oxide glass electrode coated with poly(3,4-ethylenedioxythiophene), PEDOT, PEDOT-ITOE, was proposed as an electrode workable as both a reference electrode and a counter one, a reference/...
Determination of Cadmium in Water Samples by Liquid Electrode Plasma Atomic Emission Spectrometry after Solid Phase Extraction Using a Mini Cartridge Packed with Chelate Resin Immobilizing Carboxymethylated Pentaethylenehexamine
Cadmium in Water Samples Liquid Electrode Plasma Atomic Emission Spectrometry Solid Phase Extraction
2010/9/20
Solid phase extraction using a mini cartridge packed with 22 mg of chelate resin immobilizing carboxymethylated pentaethylenehexamine was successfully utilized for separation/preconcentration of cadm...
Pressurized Liquid Extraction and Cleanup Procedure for the Determination of Pyrethroids in Soils Using Gas Chromatography/Tandem Mass Spectrometry
Pressurized Liquid Extraction Cleanup Procedure Pyrethroids Soils Using Gas Chromatography/Tandem Mass Spectrometry
2010/9/20
An analytical method for the simultaneous determination of 12 pyrethroids in soil samples was developed using gas chromatography tandem quadrupole mass spectrometry. Pyrethroids were extracted by pre...
A Novel Hydrophobic Task Specific Ionic Liquid for the Extraction of Cd(II) from Water and Food Samples as Applied to AAS Determination
A Novel Hydrophobic Task Specific Ionic Liquid the Extraction of Cd(II) Water Food Samples AAS
2010/9/20
Hydrophobic task specific ionic liquid (TSIL) functionalized 2-mercaptobenzothiazole (MBT) was synthesized and characterized by NMR and HRMS. The capability of TSIL-MBT for the selective separation a...
Highly Selective Molecular Recognition of Biologically Active Substances Using Liquid Phase Separation
protein-conjugated chiral stationary phase affinity capillary lectrophoresis chiral discrimination acyl glucuornide acyl adenylate bile acid protein-bound adduct
2007/12/13
The development of new chiral stationary phases has been very important in the accurate analysis of drug enantiomers and their metabolites in biological samples during drug discovery and development. ...
Enantioseparation of Novel Chiral Tetrahedral Clusters on a Chiral Stationary Phase (CSP) by High Performance Liquid Chromatography
high performance liquid chromatography chiral stationary phase chiral tetrahedral clusters enantioseparation
2007/12/13
Enantioseparation of Novel Chiral Tetrahedral Clusters on a Chiral Stationary Phase (CSP) by High Performance Liquid Chromatography。